2618 Aluminum vs. EN-MC21210 Magnesium
2618 aluminum belongs to the aluminum alloys classification, while EN-MC21210 magnesium belongs to the magnesium alloys.
For each property being compared, the top bar is 2618 aluminum and the bottom bar is EN-MC21210 magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 120 | |
| 48 |
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 44 |
| Elongation at Break, % | 5.8 | |
| 14 |
| Fatigue Strength, MPa | 110 | |
| 70 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 27 | |
| 17 |
| Shear Strength, MPa | 260 | |
| 110 |
| Tensile Strength: Ultimate (UTS), MPa | 420 | |
| 190 |
| Tensile Strength: Yield (Proof), MPa | 350 | |
| 90 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 350 |
| Maximum Temperature: Mechanical, °C | 210 | |
| 100 |
| Melting Completion (Liquidus), °C | 640 | |
| 600 |
| Melting Onset (Solidus), °C | 550 | |
| 570 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 1000 |
| Thermal Conductivity, W/m-K | 160 | |
| 120 |
| Thermal Expansion, µm/m-K | 22 | |
| 27 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 37 | |
| 24 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 110 | |
| 130 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 12 |
| Density, g/cm3 | 2.9 | |
| 1.6 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 24 |
| Embodied Energy, MJ/kg | 150 | |
| 160 |
| Embodied Water, L/kg | 1150 | |
| 980 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 23 | |
| 22 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 850 | |
| 92 |
| Stiffness to Weight: Axial, points | 13 | |
| 15 |
| Stiffness to Weight: Bending, points | 47 | |
| 72 |
| Strength to Weight: Axial, points | 40 | |
| 32 |
| Strength to Weight: Bending, points | 42 | |
| 44 |
| Thermal Diffusivity, mm2/s | 62 | |
| 76 |
| Thermal Shock Resistance, points | 19 | |
| 11 |
Alloy Composition
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| Aluminum (Al), % | 92.4 to 94.9 | |
| 1.6 to 2.6 |
| Copper (Cu), % | 1.9 to 2.7 | |
| 0 to 0.010 |
| Iron (Fe), % | 0.9 to 1.3 | |
| 0 to 0.0050 |
| Magnesium (Mg), % | 1.3 to 1.8 | |
| 96.3 to 98.3 |
| Manganese (Mn), % | 0 | |
| 0.1 to 0.7 |
| Nickel (Ni), % | 0.9 to 1.2 | |
| 0 to 0.0020 |
| Silicon (Si), % | 0.1 to 0.25 | |
| 0 to 0.1 |
| Titanium (Ti), % | 0.040 to 0.1 | |
| 0 |
| Zinc (Zn), % | 0 to 0.1 | |
| 0 to 0.2 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.010 |